* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    color: black;
    font-size: 16px;
    font-family: Ubuntu Mono, Arial, Helvetica, sans-serif;
}

a {
    text-decoration: none;
}

i {
    font-style: normal;
}

b {
    font-weight: normal;
}

input,button,textarea {
    outline: none;          
}

textarea {
    resize: none;       
}

ul {
    list-style: none;
}

.quan {
    width: 1200px;
    height: 800px;
    margin: 100px auto;
    border-top: 1px solid;
    position: relative;
}

.quan-mian {

    width: 1000px;
    height: 600px;
    border: 1px solid;
    position:absolute;
    top:50px;
    left: 50%;
    margin-left: -500px;
    transition: all 1s;
}

.m-l {
    width: 700px;
    height: 600px;
    position: absolute;
    left: 0;
}

.m-l form {
    width: 400px;
    position: absolute;
    left: 50%;
    margin-left: -200px;
    margin-top: 100px;
    text-align: center;
}

.m-l form ul {
    margin-top: 20px;
}

.m-l form li {
    margin-top: 50px;
    width: 100%;
    height: 16px;
    position: relative;
}

.m-l form li span {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 14px;
    font-weight: 600;
    transition: all .5s;
}

.m-l form li input {
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    padding-bottom: 5px;
    border: 0;
    border-bottom: 1px solid;
}

.m-l form input[type=submit] {
    width: 100%;
    height: 3rem;
    margin-top: 50px;
    border-radius: 1.5rem;
    font-size: 1.5rem;
    color: white;
    background-color: royalblue;
}

.m-l form h5 {
    margin-top: 30px;
}

.m-l form h5:hover {
    color: darkmagenta;
}

.m-l .l-b {
    width: 500px;
    position: absolute;
    left: 50%;
    bottom: 80px;
    margin-left: -250px;
}

.m-l .l-b img {
    width: 60px;
    height: 60px;
    margin-left: 50px;
}

.m-r {
    width: 300px;
    height: 600px;
    position: absolute;
    right: 0;
    background-image: url(img/signin.jpg);
    background-size: 300px 600px;
    background-repeat: no-repeat;
    text-align: center;
    transition: all 1s;
}

.m-r ul {
    margin-top: 100px;
    color: white;
}

.m-r ul li {
    margin-top: 30px;
}

.m-r .r-b {
    width: 100px;
    height: 50px;
    position: absolute;
    top: 60%;
    left: 50%;
    margin-left: -50px;
    text-align: center;
    line-height: 50px;
    color: white;
    background-color: transparent;
    border: 3px solid;
    border-radius: 25px;
}


.quan-up {
    width: 1000px;
    height: 600px;
    border: 1px solid;
    position:absolute;
    top:50px;
    left: 50%;
    margin-left: -500px;
    transition: all 1s;
    z-index: -1;
    opacity: 0;  
}

.up-left {
    width: 700px;
    height: 600px;
    position: absolute;
    left: 0;
}
.up-left form {
    width: 400px;
    position: absolute;
    left: 50%;
    margin-left: -200px;
    margin-top: 50px;
    text-align: center;
}

.up-left form ul {
    margin-top: 20px;
}

.up-left form li {
    margin-top: 40px;
    width: 100%;
    height: 16px;
    position: relative;
}

.up-left form li span {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 14px;
    font-weight: 600;
    transition: all .5s;
}

.up-left form li input {
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    padding-bottom: 5px;
    border: 0;
    border-bottom: 1px solid;
}

.up-left form input[type=submit] {
    width: 100%;
    height: 3rem;
    margin-top: 50px;
    border-radius: 1.5rem;
    font-size: 1.5rem;
    color: white;
    background-color: royalblue;
}

.up-left form h5 {
    margin-top: 30px;
}

.up-left form h5:hover {
    color: darkmagenta;
}

.up-left .l-b {
    width: 500px;
    position: absolute;
    left: 50%;
    bottom: 80px;
    margin-left: -250px;
}

.up-left .l-b img {
    width: 60px;
    height: 60px;
    margin-left: 50px;
}

.up-right {
    width: 300px;
    height: 600px;
    position: absolute;
    right: 0;
    background-image: url(img/signup.jpg);
    background-size: 300px 600px;
    background-repeat: no-repeat;
    text-align: center;
    transition: all 1s;
}

.up-right ul {
    margin-top: 100px;
    color: white;
}

.up-right ul li {
    margin-top: 30px;
}

.up-right .right-button2 {
    width: 100px;
    height: 50px;
    position: absolute;
    top: 60%;
    left: 50%;
    margin-left: -50px;
    text-align: center;
    line-height: 50px;
    color: white;
    background-color: transparent;
    border: 3px solid;
    border-radius: 25px;
}


.bianhua {
    transform: translate(-20px,-20px) scale(.5);
    color: red;
}

.bianhua2 {
    transform: translate(20px,20px) scale(2);
    color: black;
}


.yido {
    transform: translateX(-700px);
}

.yido2 {
    transform: translateX(700px);
}

.yin {
    z-index: -1;
    opacity: 0;
}

.hide {
    z-index: 0;
    opacity: 1;
}

